Antislipping shoe for horses



E. A. CONNER.

ANTISLIPPING SHOE FOR HORSES.

APPLICATION FILED NOV-21 I919. 1,38U,705 PatentedJune 7, 1921.

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CHAIN COMPANY,

INC., A CORPORATION OF NEW YORK.

ANTISLIPPING SHOE FOR HORSES.

Specification of Letters Patent.

Patented June '7, 1921.

Application filed November 21, 1919.' Serial No. 339,580.

To all whom it may concern:

Be it known that I, EDWARD A. CoNNER, a citizen of the United States,residing at Bridgeport, in the State of Connecticut, have inventedcertain new and useful Imrovements in Antislipping Shoes for orses, ofwhich the following, taken in connection with the accompanying drawing,1s a specification.

The object of my invention is to provide a strong and simple strapbuckle of such construction that the locking operation will becharacterized by a take-up action which will serve to tighten the strap.A further object is to provide such a buckle that will not cut or bruisethe strap to be tightened and that can be used if desired with a plainstrap having no perforations or peculiarities of construction. A stillfurther object is to rovide a buckle which, in addition to the oregoingcharacteristics, may be readily manipulated although clogged with snow,ice, mud or similar matter.

Referring to the drawings: Figure l is a view in perspective of mybuckle in conjunction with a well known type of antislipping over-shoefor horses; Fig. 2 is a longitudinal section in elevation showing thebuckle in unlocked position in conjunc-' tion with attached straps; Fig.3 is a longitudinal section in elevation showing the buckle in lockedposition in conjunction with attached straps; Fig. 4 is a,detached topview of the base plate of the buckle; Fig. 5 is a detached top view ofthe locking member thereof, and Fig. 6 is a longitudinal section inelevation of a modified form of my buckle. 1

Referring to Figs. 1 to 5 inclusive, on a base plate 1 are located,approximately midway between ends thereo suitable means for mounting acam which may consist, for

example, of two .up-standing brackets 2-2,.

one on each lateral edge of thebase plate.

One end of the base p ate is adapted to be attached to an anchorage bymeans of the slot 3 and the other end is adapted to be connected with anend of a looped strap, preferably by means of another slot 4.

The locking member, which is in effect a bell crank or angle lever,consists of a cam 5 and a cam lever 6. The cam is provided with suitablemeans whereby it is adapted to be pivotally mounted between thebrackets, the said means as I provide them consisting of the trunnions7-7. The

trunnions turn in the bearing 8 8 and their axis of rotation constitutesan axis on which the cam may oscillate. The radiusof the cam, that isthe distance from the axis to the face 9 of the cam is less than theperpendicular distance from the axis to the base plate, clearancebetween the base plate and the cam face being necessary as hereinafterfurther described.

The angle which the lever 6 makes with the radial plane of the cam issuch that the cam may be oscillated in an arc intersecting theperpendicular plane from the axis to the base plate and is preferablyslightly in excess of 90 degrees. A further requirement that should bemet in determining the degree of the angle is that when the cam isthrown into the position shown in Figs. 1 and 3, which is the lockedposition, the plane of the cam will be in a plane slightly oblique tothe perpendicular plane hereinbefore referred to, and the cam lever willhave reached its maximum de ression. In a buckle compris ing partshaving the relative shapes and proportions of those shown in thedrawing, the angle should slightly exceed a right angle. It-should benoted, however, that the essential feature is that the angle should bemerely such as to permit the parts of the locking member to be sodisposed as to fulfilthe requirements above described, and that providedthese requirements are fulfilled, it is immaterial whether the angle beacute or obtuse. r

The cam lever is preferably provided at itsfree end with a trans verseproper dimensions-to" ermit a strap to be passed therethrough. preferthat the cam lever should also be bent transversely of it self at somepoint intermediate its ends, whereby the free end will be slightly ele-'vated as shown in Fig. 3 where the locked member is-shown in lockedposition, the elevated end of the lever thus being easil grasped by thefingers.

To illustrate the manner in which my buckle is applied, I have shown itin Fig. 1 in conjunction with an anti-slipping overshoe for horses,anti-slipping over-shoes for horses being appliances of suchcharacteristics that very small differences in tautness;

make relatively great diiferences in correct ness or incorrectness ofadjustment,

Referring then to Flg. 1, a tension memslot 9 of ber 10 is connected tothe base plate, preferably by means of a flexible member 11 consistingof stra another strap 12, one end of which is anc iored to the slot 4:in the base plate being looped through the tension member 13 and is thencarried back to the buckle. The locking member being in open position asshown in Fig. 2, that is, the cam lever 6 having been swung so that theplane of the cam is on the side of the perpendicular plane referred to,opposite to the side of that plane which the cam occupies in closedposition, the strap is passed between the cam and the base plate anddrawn as tightly as is practicable by a direct pull.

The cam lever is then swung to the locked position as shown in Fig. 3.if preferred, the strap may after having been passed b tween the cam andthe base plate, be passed through the slot in the end of the lever andafter bein drawn tight both strap and lever may %e swung together withthe lever to locked position. The thickness of the strap should begreater than the clearance between the cam face and the base plate, soit will be. seen that whether or not the strap is passed through theslot 1n the lever before locking, the strap will, as the lever is thrownover to locked position, be advanced along the base )late a distancedetermined by that are in t e angular movement of the cam during whichthe cam com resses'the strap against the base plate. e len h of the arementioned may be considera ly increased if the base plate be bentupwardly as at 14. The compression of the strap wil, it is seen, be atits maximum when the cam is in the perpendicular plane hereinbeforementioned, becomin somewhat less as the cam reaches its 100 tingposition. Tension on the strap when the cam is in its latter positiontherefore tends to increase the compression with a consequent increasedresistance to the withdrawal of the strap as the cam moves toward aposition in the said perpendicular i lane.

-In the modi ed form of buckle shown in i Fig. 6, I employ a base plate15 similar to the. base plate 1, except that in the modified form Idispense with the slot 4, as the buckle may be used without a loopedstrap if desired. lln this form, for the looped strap 12, is substitutedthe strap 16 adapted for a direct pull.

It will be apparent from a consideration of the principle of theinvention that the same may be embodied in a variety of forms, all ofwhich are intended to be included in the following claims:

1. In an antisslip-p-ing shoe tread portion rovided with two free endsadapted to be awn toward each other over the front of the hoof, one ofsaid ends being provided with an eye, a strap buckle comprising a baseplate provided at each end for horses, a

a asses/es with a strap anchorage, flexible connection. between one ofsaid anchorages and one of said free ends, a cam mounted on supportsextending from said base plate, said cam being adapted to rotate on anaxis parallel with said base plate and transversely thereof, a cam leverprovided at its free ends with a stra aperture, the radius of the cambeing less t an the perpendicular from said axis to said base plate, andthe angle formed by the lever of the cam being such as to permit saidcam to be oscillated in an arc intersecting the said perpendicular, astrap anchored to the other of said anchorages and rove through an eyeinthe other of said free ends, adapted to pass freely beneath said camwhen the said lever is in elevated position and to be compressed betweensaid cam and said base plate when the lever is in depressed position.

2. In an anti-slipping shoe for horses having a tread portion providedwith two terminals adapted to be drawn toward each other over the frontof the hoof, a buckle connected end to end with one of said terminals, aflexible member connected to the opposite end of said buckle adapted tobe rove through an eye in the other of said terminals, said bucklecomprising a base plate and a bell crank lever havin a short arm and along arm disposed it respect to each other at an obtuse angle, saidlever being pivotall mounted over said plate and transversely t ereofand at such an eleva= tion therefrom as to leave clearance between thefree end of said short arm and said plate, the amount of said clearancebeing such as to cause said flexible member to be compressed-betweensaid short arm and said plate when the long arm is depressed and thesaid flexible member is passed between the said short arm and the saidplate.

3. In an anti-slipping shoe for horses having a tread portion providedwith two termmals adapted to be drawn toward eachv other over the frontof the hoof, a buckle connected end to end with one of said terminals,said buckle com rising a base plate and a bell crank lever aving a shortarm and a long arm dis osed at an obtuse angle with respect to eacother, said lever bein pivotally mounted over said plate an transverselythereof and at such an elevation from said plate as to leave clearancebetween the free end of said short arm and said plate, said lon armbeing provided with an eye at its ree end and a flexible memberconnected to the oppositeend of said buckle and adapted to be rovethrough an eye in the other of said terminals, thence between sald shortarm and said base plate and thence through said eye in said longterminals adapted to be drawn toward each other over the front of thehoof, a buckle comprising a base plate and a bell crank lever having ashort arm and a long arm disposed at an obtuse angle with respect toeach other, said bell crank lever being pivotally mounted over saidplate and transversely thereof and at such an elevation from said plateas to leave clearance be- 10 tween the free end of said short arm and.

the said plate, said long arm being provided at its free end with an eyewhereby a strap having connection with the other of said i terminals maybe rove through the clearance space beneath said. short arm and thence15 through said eye.

In testimony whereof, l have signed this specification.

EDWARD A. comma

